General Information

    • DRAMP ID

    • DRAMP03963

    • Peptide Name

    • Cecropin A(1-8)-Magainin 2(1-12)hybrid peptide analogue (P1)

    • Source

    • Synthetic construct

    • Family

    • Not found

    • Gene

    • Not found

    • Sequence

    • KWKLFKKIKFLHSAKKF

    • Sequence Length

    • 17

    • Protein Existence

    • Synthetic

Activity Information

    • Biological Activity

    • Antimicrobial, Antibacterial

    • Target Organism

    • No MICs found in DRAMP database

    • Hemolytic Activity

      • No hemolysis information or data found in the reference(s) presented in this entry

    • Cytotoxicity

      • Not included yet

    • Binding Target

    • Not found

Structure Information

    • Linear/Cyclic

    • Not included yet

    • N-terminal Modification

    • Not included yet

    • C-terminal Modification

    • Not included yet

    • Nonterminal Modifications and Unusual Amino Acids

    • Not included yet

    • Stereochemistry

    • Not included yet

    • Structure

    • Alpha helix (1 helices; 9 residues)

    • Structure Description

    • Not found

    • Helical Wheel Diagram

    • DRAMP03963 helical wheel diagram

    • PDB ID

    • 1F0F resolved by NMR.
  • 1F0F-> 

    • Predicted Structure

    • There is no predicted structure for DRAMP03963.

Physicochemical Information

    • Formula

    • C110H173N27O19

    • Absent Amino Acids

    • CDEGMNPQRTVY

    • Common Amino Acids

    • K

    • Mass

    • 2177.75

    • PI

    • 10.78

    • Basic Residues

    • 8

    • Acidic Residues

    • 0

    • Hydrophobic Residues

    • 8

    • Net Charge

    • +8

    • Boman Index

    • -19.07

    • Hydrophobicity

    • -0.582

    • Aliphatic Index

    • 74.71

    • Half Life

      • Mammalian:1.3 hour
      • Yeast:3 min
      • E.coli:2 min

    • Extinction Coefficient Cystines

    • 5500

    • Absorbance 280nm

    • 343.75

    • Polar Residues

    • 1

DRAMP03963

Comments Information

    • P1 has significantly decreased lytic activities against bacterial and tumor cells and PC/PS vesicles (3

    • 1, w/w), and reduced pore-forming activity on lipid bilayers.

Literature Information

  • ·Literature 1

    • Title

    • Role of the hinge region and the tryptophan residue in the synthetic antimicrobial peptides, cecropin A(1-8)-magainin 2(1-12) and its analogues, on their antibiotic activities and structures.

    • Reference

    • Biochemistry. 2000 Oct 3;39(39):11855-11864.

    • Author

    • Oh D, Shin SY, Lee S, Kang JH, Kim SD, Ryu PD, Hahm KS, Kim Y.